Trial Lenses are precision made to standard specifications – back vertex power, plano form lenses of 20 mm in aluminium mounts of 38 mm diameter anodized red for minus and black for plus. Spheres are with handles and cylinders without handles. Non-Illuminated Trial Case with 225nos reduced aperture lenses (Wooden case)
Attractively finished, melamine polished, sturdy wooden cases non illuminated.
Trial Lenses are precision made to standard specifications – back vertex power, plano form lenses of 20 mm in aluminium mounts of 38 mm diameter anodized red for minus and black for plus. Spheres are with handles and cylinders without handles.
Non-Illuminated Trial Case with 225nos reduced aperture lenses (Wooden case)
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